Answer:
A. Puzzles are a lot of fun. They require patience and strategy; one strategy is to start with the edge pieces and then group pieces by color.
Explanation:
A properly breaks up the first two parts of the run on phrase. B and C do not, inserting a comma but the two independent clauses without anything to join them. D has an unnecessary comma after the first word, and a run-on sentence after the semicolon.
I think it is C
Hope this helps correct me if I'm wrong
Missing the s after p. it's supposed to be:(https://www. webaddress. com)
A process of erosion of rocks or soil.